$header_height:50px;
$primary-color: #333;
$max-width:1168px;
$banner_height:4rem;
$header-line-height: 49px;
$color_red:#c61010;
$primary_color:#333333;
$primary_font_family:'FZLTHJW--GB1-0,FZLTHJW--GB1,方正兰亭黑';
$font-size20:.5rem;
$font-size18:.35rem;
$font-size16:.35rem;
$font-size14:.3rem;
$font-size12:.25rem;